<template>
    <div>
 <city-header></city-header>
 <city-search :cities="cities"></city-search>
 <city-list :cities="cities" :hot="hotCities" :letter="letter"></city-list>
 <city-alphabet :cities="cities" @change="handleLetterChange"></city-alphabet>
 </div>
</template>
<script>
    import axios from 'axios'
    import CityHeader from './components/Header.vue'
    import CitySearch from './components/Search.vue'
    import CityList from './components/List.vue'
    import CityAlphabet from './components/Alphabet.vue'
    export default {
        name: 'City',
        components: {
            CityHeader,
            CitySearch,
            CityList,
            CityAlphabet
        },
         data () {
             return {
                cities: {},
                hotCities: [],
                letter: ''
             }
         },

        methods: {
           getCityInfo () {
            axios.get('/api/city.json')
            .then(this.handleGetCityInfoSucc)
           },
           handleGetCityInfoSucc (res) {
            res = res.data 
            if(res.ret && res.data) {
                const data = res.data
                this.cities = data.cities
                this.hotCities = data.hotCities
            }
           },
           handleLetterChange (letter) {
           this.letter = letter 
           }
        },
        mounted () {
            this.getCityInfo ()
        }
    
    }
</script>
<style scoped>
    
</style>